After some researching, I came to a conclusion that classic setting is the control scheme adapted for gamepads (either PC or consoles) as it "bypasses" usage of mouse and binds everything on keyboard.
I wonder why all games don't have it.
Because PC has a damn mouse which is most convenient device for those kind of games. It eliminates need for at least 5 buttons on keyboard and offers speed and precision console-like aiming simply can't match. You have mouse in your right hand to aim, fire, change weapons, turn and/or control camera, and all other necessary buttons in the area under your left hand which rests over WASD buttons. And forget about real life situations in video games, in most cases whenever realism threatens convenience it should be scrapped.
Oh, and buy a better mouse.
I have no interest what soever in buying a mouse or whatever just to uncomfortably play a game.
Having to move and turn a mouse at the same time when i can just focus on movement.
Why would i need my right hand turn around to a target + aim key when i can do it all with two fingers or by pressing W or A or S or D + aim key? Why would i want to mimic a console when it is not a console? Why would i want to use two tools to complete a moving action when i can just move? Mouse movement for me offers absolutely no precision (having to use the mouse + keyboard keys when i can just press a single key to move).
To aim, i turn the mouse around till i see my target and press the aim button vs directional key + aim, to shoot, i press something + mouse vs a single key, to view what is behind me, i turn the mouse around vs just pressing S. I choose the latter.
It's a personal choice just like i don't like console games. Some like it, some don't.
(PC here is a laptop).
One more thing, could you list the controls you use in gta?